Interestingly, its mesh netting, which further supports the tunnel's integrity, makes use of artificial diamonds. The Mponeng gold mine's vertical depth is so deep it is roughly half the vertical ...

Interestingly, its mesh netting, which further supports the tunnel's integrity, makes use of artificial diamonds ... Mponeng takes the title of world's deepest mine from ground level and further ...

"The occurrence of ringwoodite together with the hydrous phases indicate a wet environment at this boundary," a team of researchers led by mineral physicist Tingting Gu of the Gemological Institute of ...